On the chemistry of chromosome continuity.
D002455:Cell Division; D002875:Chromosomes / Q000187:drug effects / Q000528:radiation effects*; D004247:DNA; D003851:Deoxyribonucleases / Q000494:pharmacology; D066298:In Vitro Techniques; D010434:Pepsin A / Q000494:pharmacology; D059828:Plant Cells; D012313:RNA; D011830:Radiation Effects; D012260:Ribonucleases / Q000494:pharmacology
D012313:RNA; D004247:DNA; D003851:Deoxyribonucleases; D012260:Ribonucleases; D010434:Pepsin A